<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8" />
		<title>1.解构赋值</title>
	</head>
	<body>
		<script type="text/javascript" >
			let target = {value:900}

			let {value} = target

			console.log(value)
			value = 800
			console.log(target.value)
		</script>
	</body>
</html>